The above graph shows that the data is biased towards datapoints having outcome value as YES where it means that lung cancer was present actually.

Therefore, the data is unbalanced. The number of no-lung-cancer patients is 39 and the number of cancer patients is 270

Most of the males having lung cancer

smoking people have high problems and people who smoke got cancer more

mostly females have yellow fingers so any person with yellow fingers have high probability of getting lung cancer

KNN

RFC

SVC

DTC